<!DOCTYPE html>
<html>
<!-- mixed languages in a word should inhibit automatic hyphenation -->
<body lang="en-us">
<div style="width: 5em; hyphens: auto; font-family:sans-serif;">
supercalifragilisticexpialidocious
super<span lang="foo">cali</span>fragilisticexpialidocious
supercalifragilisticexpialidocious
</div>
</body>
</html>

